| Fort Madison to Kenosha (Wisconsin) | 225.03 mi (362.16 km) |
| Fort Madison to Kent (Ohio) | 522.82 mi (841.40 km) |
| Fort Madison to Kent (Washington) | 1,591.54 mi (2,561.33 km) |
| Fort Madison to Kentwood (Michigan) | 335.42 mi (539.81 km) |
| Fort Madison to Kerman (California) | 1,564.82 mi (2,518.34 km) |
| Fort Madison to Kernersville (North Carolina) | 684.71 mi (1,101.93 km) |
| Fort Madison to Kerrville (Texas) | 851.69 mi (1,370.66 km) |
| Fort Madison to Kettering (Maryland) | 781.77 mi (1,258.14 km) |
| Fort Madison to Kettering (Ohio) | 385.50 mi (620.40 km) |
| Fort Madison to Kewanee (Illinois) | 85.79 mi (138.06 km) |
| Fort Madison to Key Biscayne (Florida) | 1,215.29 mi (1,955.81 km) |
| Fort Madison to Key Largo (Florida) | 1,242.46 mi (1,999.55 km) |
| Fort Madison to Key West (Florida) | 1,239.59 mi (1,994.93 km) |
| Fort Madison to Keystone (Florida) | 995.58 mi (1,602.23 km) |
| Fort Madison to Kihei (Hawaii) | 4,008.40 mi (6,450.90 km) |
